Guillermo, M. R. (2009). The HR head - the CEO's life support in times of crisis. AmCham Philippines Business Journal.
Citazione stile Chigago Style (17a edizione)Guillermo, Manuel R. "The HR Head - the CEO's Life Support in Times of Crisis." AmCham Philippines Business Journal 2009.
Citatione MLA (9a ed.)Guillermo, Manuel R. "The HR Head - the CEO's Life Support in Times of Crisis." AmCham Philippines Business Journal, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.